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300405245 = 5711517457
BaseRepresentation
bin10001111001111…
…101000111111101
3202221021011112012
4101321331013331
51103400431440
645450421005
710305255020
oct2171750775
9687234465
10300405245
111446309a8
1284731765
134a3103aa
142bc7b1b7
151b58de65
hex11e7d1fd

300405245 has 16 divisors (see below), whose sum is σ = 412397568. Its totient is φ = 205785600.

The previous prime is 300405239. The next prime is 300405253. The reversal of 300405245 is 542504003.

It is not a de Polignac number, because 300405245 - 218 = 300143101 is a prime.

It is a super-2 number, since 2×3004052452 = 180486622447020050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 300405245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36557 + ... + 44013.

It is an arithmetic number, because the mean of its divisors is an integer number (25774848).

Almost surely, 2300405245 is an apocalyptic number.

300405245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

300405245 is a deficient number, since it is larger than the sum of its proper divisors (111992323).

300405245 is a wasteful number, since it uses less digits than its factorization.

300405245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8620.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 300405245 is about 17332.2025432430. The cubic root of 300405245 is about 669.7342415218.

Adding to 300405245 its reverse (542504003), we get a palindrome (842909248).

The spelling of 300405245 in words is "three hundred million, four hundred five thousand, two hundred forty-five".

Divisors: 1 5 7 35 1151 5755 7457 8057 37285 40285 52199 260995 8583007 42915035 60081049 300405245